The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-383-8645, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-383-8645 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Ring Groove Quantity | 1 |
| Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4674751-0003A | 5/9 Secondary reference U.S. Government activity |
| 518-4674751 ITE | C/1 Advisory reference — outside the item-of-supply concept Naval Inventory Control Point Mechanicsburg |
| 87621-0105 ITEM 3 | 3/2 Design control — primary reference U.S. Government activity |
| 518-4674751 ITEM 3MOD | 5/9 Secondary reference Naval Sea Systems Command |
NSN 3040-01-383-8645 is a Piston,linear Actuating Cylinder, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-383-8645: Ring Groove Quantity: 1; Special Features: OVERSIZED, ROUGH MACHINED; LAR TRB-038-93 OF8/2/93; End Item Identification: SSBN TRIDENT; Material: COPPER ALLOY. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 3040-01-383-8645 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.